New members of the family flemingitidae (Ammonoidea) from the Lower Triassic of South Primorye |
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| Authors: | O P Smyshlyaeva Y D Zakharov |
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| Institution: | 1. Far East Geological Institute, Far East Branch, Russian Academy of Sciences, Vladivostok, Russia
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| Abstract: | New species of flemingitid ammonoids (Flemingites trikamnyaensis sp. nov., F. alexanderi sp. nov., Rohillites? ambiguus sp. nov., Euflemingites extremus sp. nov.) from the Olenekian of South Primorye are described. The shell interior of flemingitid ammonoids is studied for the first time based on Ussuriflemingites abrekensis Shigeta et Zakharov. The usefulness of the early-ontogenetic morphological test (EMT) for substantiation of ammonoid taxa at the family level is discussed. |
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